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International Automotive Technicians Network

Diagnostic Trouble Code Index for September 2022

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Diagnostic Trouble Codes (DTC)
Count Trouble Code Sample Definition Manufacturers
4P0300Multiple Cylinder Misfire DetectedGMC, Hyundai, Mercedes-Benz, Pontiac
3P0301Cylinder 1 Misfire DetectedGMC, Hyundai, Mercedes-Benz
3P0302Cylinder 2 Misfire DetectedChrysler, Honda, Hyundai
3P0303Cylinder 3 Misfire DetectedHonda, Hyundai, Mercedes-Benz
2P0171Fuel System Lean (Bank 1)Mini, Volvo
2P0172Fuel System Rich (Bank 1)Subaru, Toyota
2P0299Turbocharger Engine UnderboostChevrolet, Ram
2P0315Crankshaft Position Sensor Variation Not LearnedChevrolet, Ford
1C0426Start Enable Drive Authorization System Not Issued. Read And Observe Repair Information.Mercedes-Benz
1P0011Intake Camshaft Position System PerformanceKia
1P0016Crankshaft/Camshaft Timing MisalignmentMercedes-Benz
1P0037Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low VoltageSubaru
1P0055Heated Oxygen Sensor (Bank 1 Sensor 3) Heater ResistanceLand Rover
1P0107MAP Sensor Circuit Low VoltageHonda
1P011AECT Sensor 1-2 CorrelationBMW
1P0122TP Sensor Circuit Low VoltageHonda
1P018BFuel pressure sensor performanceChevrolet
1P0191Fuel Rail Pressure Sensor PerformanceFord
1P0221Throttle Position Sensor 2 PerformanceVolkswagen
1P0222Throttle Position Sensor 2 Circuit Low VoltageHonda
1P0234Turbocharger Engine OverboostHonda
1P0247WasteGate Actuator Circuit BFord
1P0304Cylinder 4 Misfire DetectedHyundai
1P0307Cylinder 7 Misfire DetectedGMC
1P0327Knock Sensor Circuit Low Voltage (Bank 1)Chevrolet
1P0335Crankshaft Position Sensor Circuit MalfunctionFord
1P0339Crankshaft Position Sensor Signal IntermittentHonda
1P0351Ignition Coil 1 Control Circuit MalfunctionMercedes-Benz
1P0452Fuel Tank Pressure Sensor Circuit Low VoltageHonda
1P06415-Volt Reference 1 Circuit MalfunctionHonda
1P0A58gen lowFord
1P0C2Ctransmission pumpFord
1P1137Heated Oxygen Sensor (Bank 1 Sensor 2) Low Voltage In Power EnrichmentAudi
1P1289Manifold Tuning Valve Control Circuit MalfunctionFord
1P2127Accelerator Pedal Position Sensor 2 Circuit Low VoltageHonda
1P2138Accelerator Pedal Position Sensor 1-2 Correlation ErrorJeep
1P2187Fuel Trim System Lean At Idle (Bank 1)Honda
1P2227BARO Sensor PerformanceChevrolet
1P2228BARO Sensor Circuit Low VoltageChevrolet
1P2635Fuel Pump Flow PerformanceChevrolet
1P2796Auxiliary Transmission Fluid Pump Relay Control Circuit MalfunctionToyota
1P3043f/p mechanical malfunction intermitantAudi
1P3045fuel pump short circuit intermittent 4735Audi
1P308Dfuel pump rpm too lowAudi
1U0074control module communication powertrain expansion can bus offChevrolet
1U2084lost comm w active grilleFord